Facebook co-founder says it is time to break up the company

(Reuters) - Facebook Inc co-founder and former Mark Zuckerberg roommate Chris Hughes has called for the break up of the social network in an opinion piece in the New York Times. "We are a nation with a tradition of reining in monopolies, no matter how well intentioned the leaders of these companies may be. Mark's power is unprecedented and un-American," Hughes wrote on Thursday.Facebook owns the largest social network with more than 2 billion users across the world. It also owns WhatsApp,..